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authorTiger Wang <ziwei.tiger@outlook.com>2021-07-10 22:04:49 +0200
committerGitHub <noreply@github.com>2021-07-10 22:04:49 +0200
commite9265b1d0129e56b9b665019697055bd63229fde (patch)
tree611a2026e0e9ca9bb1de62170d79b9906d112e6f /src/Protocol/ProtocolRecognizer.h
parentItem frame maps (#5258) (diff)
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Diffstat (limited to 'src/Protocol/ProtocolRecognizer.h')
-rw-r--r--src/Protocol/ProtocolRecognizer.h21
1 files changed, 12 insertions, 9 deletions
diff --git a/src/Protocol/ProtocolRecognizer.h b/src/Protocol/ProtocolRecognizer.h
index 03b379f17..0a923e78f 100644
--- a/src/Protocol/ProtocolRecognizer.h
+++ b/src/Protocol/ProtocolRecognizer.h
@@ -19,9 +19,6 @@
protocol version instance and redirects everything to it. */
class cMultiVersionProtocol
{
- // Work around the style checker complaining about && in template.
- using OwnedContiguousByteBuffer = ContiguousByteBuffer &&;
-
public:
cMultiVersionProtocol();
@@ -41,8 +38,12 @@ public:
return m_Protocol;
}
- /** The function that's responsible for processing incoming protocol data. */
- std::function<void(cClientHandle &, OwnedContiguousByteBuffer)> HandleIncomingData;
+ /** Directs incoming protocol data along the correct pathway, depending on the state of the version recognition process.
+ The protocol modifies the provided buffer in-place. */
+ void HandleIncomingData(cClientHandle & a_Client, ContiguousByteBuffer & a_Data);
+
+ /** Allows the protocol (if any) to do a final pass on outgiong data, possibly modifying the provided buffer in-place. */
+ void HandleOutgoingData(ContiguousByteBuffer & a_Data);
/** Sends a disconnect to the client as a result of a recognition error.
This function can be used to disconnect before any protocol has been recognised. */
@@ -53,7 +54,7 @@ private:
/** Handles data reception in a newly-created client handle that doesn't yet have a known protocol.
a_Data contains a view of data that were just received.
Tries to recognize a protocol, populate m_Protocol, and transitions to another mode depending on success. */
- void HandleIncomingDataInRecognitionStage(cClientHandle & a_Client, ContiguousByteBuffer && a_Data);
+ void HandleIncomingDataInRecognitionStage(cClientHandle & a_Client, ContiguousByteBuffer & a_Data);
/** Handles and responds to unsupported clients sending pings. */
void HandleIncomingDataInOldPingResponseStage(cClientHandle & a_Client, ContiguousByteBufferView a_Data);
@@ -75,11 +76,13 @@ private:
/* Ping handler for unrecognised versions. */
void HandlePacketStatusPing(cClientHandle & a_Client, cByteBuffer & a_Out);
+ /** Buffer for received protocol data. */
+ cByteBuffer m_Buffer;
+
/** The actual protocol implementation.
Created when recognition of the client version succeeds with a version we support. */
std::unique_ptr<cProtocol> m_Protocol;
- /** Buffer for received protocol data. */
- cByteBuffer m_Buffer;
-
+ /** If we're still waiting for data required for version recognition to arrive. */
+ bool m_WaitingForData;
} ;